Method for mounting dismountable steel trestle

An installation method and technology of steel trestle bridges, applied in the direction of erecting/assembling bridges, bridges, bridge construction, etc., can solve a large number of large-scale construction machinery, difficult to popularize and apply problems, etc., achieve great promotion value, reduce dependence on the working environment, and site requirements not high effect

Inactive Publication Date: 2011-05-25
THE 2ND ENG CO LTD MBEC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Construction requires proper water depth and a large number of large-scale construction machinery, which brings

Method used

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  • Method for mounting dismountable steel trestle
  • Method for mounting dismountable steel trestle
  • Method for mounting dismountable steel trestle

Examples

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[0017] Control attached figure 1 , when constructing the Bailey beam steel trestle bridge from the water, the construction steps include: 1. In the deep water area, use the floating crane to insert and drive the first hole steel pipe pile. Picture 1-1 ; Two, install the Bailey beam truss at the first hole, and the bridge deck system can use the floating hanger to set up the Bailey truss beam at the first hole of the bridge such as Figure 1-2 ; 3. Floating crane to hang the crawler crane on the erected first hole bridge deck, the crawler crane can be used to hang the crawler crane on the bridge deck, and the floating crane can be used to install the guide beam, the guide frame, and the steel for hanging and inserting the pier. Pipe piles such as figure 1 -3; 4. Use the crawler crane to install the guide beam and the guide frame to hang and insert steel pipe piles to construct the steel trestle bridge hole by hole. You can use the Bailey truss beam installed in the next hole ...

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Abstract

The invention relates to a method for mounting a dismountable steel trestle. When a bailey steel trestle is constructed in water, the construction steps are as follows: firstly, inserting and driving first span steel pipe piles by virtue of a floating crane in deep-water area; secondly, mounting a first span bailey beam truss and a bridge deck system; thirdly, lifting a crawler crane onto the constructed bridge deck by the floating crane; and fourthly, constructing the steel trestle in holes by adopting a method for mounting guiding beams and lifting and inserting the steel pipe piles by a guiding frame by virtue of the crawler crane; and when the bailey steel trestle is constructed on the shore, the construction steps are as follows: firstly, levelling the ground, and inserting and driving the first span steel pipe piles by utilizing the crawler crane to suspend a vibration pile driving hammer; secondly, mounting the first bailey beam truss and the bridge deck system; thirdly, lifting the crawler crane onto the bridge, inserting and driving the steel pipe piles for subsequent piers; and fourthly, erecting the subsequent steel trestle by the crawler crane. The invention has the advantages that the requirement on the site is low, mounting is convenient, the dependence of trestle construction to the operating environment is reduced, the influence of shallow water and oversized storm to work ships is avoided, the operation on water is changed into the operation on the shore, the construction progress is sped up, and the requirement on construction machinery is lowered, thus having high promotional value.

Description

technical field [0001] The invention relates to a dismountable steel trestle installation method, which is suitable for installing the next hole foundation and the trestle structure on the bridge by using a crawler crane after the first hole is erected in the bridge construction, so as to reduce the impact of the trestle construction on the work. The dependence on the environment expands the working area and speeds up the construction progress. It belongs to the technical field of bridge construction. Background technique [0002] In the construction of the existing disassembled trestle bridge, the piling ship is generally used to insert and drive the steel pipe pile foundation of the trestle bridge, and the floating crane is used to install the trestle superstructure. Appropriate water depth is required during construction, and a large number of large-scale construction machines are required, which brings a lot of inconvenience to the erection of steel trestle bridges, whi...

Claims

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Application Information

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IPC IPC(8): E01D21/00
Inventor 陈霜兵杨益斌王平舒冬林张建红董继红徐国亮
Owner THE 2ND ENG CO LTD MBEC
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